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The experimentally determined scattering spectra of discrete, crystalline, gold nanorod dimers arranged side-to-side, end-to-end, at right angles in different orientations and also with longitudinal offsets are reported along with the electron micrographs of the individual dimers. The spectra exhibit both red- and blue-shifted surface plasmon ...
13 de ene. de 2022 · Under optimized growth conditions, we achieve a record photothermal conversion efficiency of up to ∼84% for gold-based PNCs, which is attributed to the collective plasmon-coupling-induced near-unity absorption efficiency. We further demonstrate the extraordinary photothermal therapy performance of the optimized PNCs in in vivo application.
7 de jul. de 2020 · This report details a decarboxylative cross-coupling of (hetero)aryl carboxylates with iodoarenes in the presence of a gold catalyst (>25 examples, up to 96% yield). This reaction is site specific, which overcomes prior limitations associated with gold catalyzed oxidative coupling reactions. The reactivity of the (hetero)aryl carboxylate correlates qualitatively to the field effect parameter ...
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24 de ene. de 2024 · Developing in situ/operando spectroscopic techniques with high sensitivity and reproducibility is of great importance for mechanistic investigations of surface-mediated electrochemical reactions.
20 de nov. de 2019 · Herein, we developed a facile and sensitive ratiometric electrochemical aptasensor of vanillin, based on ketjen black (KB)/ferrocene (Fc) dual-doped MOFs on glassy carbon electrode (GCE), followed by in-situ electrodeposition of gold nanoparticles (AuNPs) coupling with DNA aptamer (Scheme 1).One-pot solvothermal reaction of 2-methylimidazole with Zn(NO 3) 2 was conducted in the presence of Fc ...
12 de ene. de 2023 · Gold-catalysed oxidative coupling reactions often require strong oxidants because of the high redox potential of Au(i)/Au(iii) (1.41 V versus the saturated calomel electrode), resulting in poor ...
